X-Sense XS01 Mini Smoke Detector - Standalone Product Dimensions: 4.8 x 7.8 x 7.8 Materials: Fire retardant ABS plastic material High performance STMicroelectronics microcontroller High capacity lithium battery and low power consumption for 10 years of reliable operation When battery level is low, the red LED flashes once with 1 beep every 60 seconds Mounting hardware included Simple 2-step installation WAP-10157992
